Reviewers: danno, dcarney, Sven Panne,
Message:
PPC Fix for next breaking change.
Description:
PPC: [turbofan] Introduce optional Float64Min and Float64Max machine
operators.
Port 99f8d57f3c5d967bc3b10356b22d7ec7be55e89f
Original commit message:
Basically recognize certain x < y ? x : y constructs and turn that into
Float64Min/Float64Max operations, if the target machine supports that.
On x86 we lower to (v)minsd/(v)maxsd.
[email protected]
Review URL: https://codereview.chromium.org/998283002
Cr-Commit-Position: refs/heads/master@{#27160}
[email protected], [email protected]
BUG=
Please review this at https://codereview.chromium.org/1005693002/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+6, -0 lines):
M src/compiler/ppc/instruction-selector-ppc.cc
Index: src/compiler/ppc/instruction-selector-ppc.cc
diff --git a/src/compiler/ppc/instruction-selector-ppc.cc
b/src/compiler/ppc/instruction-selector-ppc.cc
index
56d683479b882d9eff945dc7be803cd44c40714a..4cfae16e2768c120b2ad64ebe3eefa3a7b4cb2cf
100644
--- a/src/compiler/ppc/instruction-selector-ppc.cc
+++ b/src/compiler/ppc/instruction-selector-ppc.cc
@@ -963,6 +963,12 @@ void InstructionSelector::VisitFloat64Mod(Node* node) {
}
+void InstructionSelector::VisitFloat64Max(Node* node) { UNREACHABLE(); }
+
+
+void InstructionSelector::VisitFloat64Min(Node* node) { UNREACHABLE(); }
+
+
void InstructionSelector::VisitFloat64Sqrt(Node* node) {
VisitRRFloat64(this, kPPC_SqrtFloat64, node);
}
--
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